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Volume 31, Number 7—July 2025

CME ACTIVITY - Research

Multicenter Case–Control Study of Behavioral, Environmental, and Geographic Risk Factors for Talaromycosis, Vietnam

Lottie Brown1Comments to Author , Brian Jonat1, Vo Trieu Ly, Nguyen Le Nhu Tung, Pham Si Lam, Nguyen Tat Thanh, Dang Thi Ngoc Bich, Vu Phuong Thao, Nguyen Thi Mai Thu, Ngo Thi Hoa, and Thuy LeComments to Author 
Author affiliation: City St. George’s Hospital and St. George’s University, London, UK (L. Brown); Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, Connecticut, USA (B. Jonat); Tropical Medicine Research Center for Talaromycosis, Pham Ngoc Thach University of Medicine, Ho Chi Minh City, Vietnam (V.T. Ly, N.T. Hoa, T. Le); Hospital for Tropical Diseases, Ho Chi Minh City (V.T. Ly, N.L.N. Tung); Oxford University Clinical Research Unit, Ho Chi Minh City (P.S. Lam, N.T. Thanh, N.T. Hoa); National Hospital for Tropical Diseases, Hanoi, Vietnam (D.T.N. Bich); Saskatchewan Cancer Agency, Regina, Saskatchewan, Canada (V.P. Thao); Duke University Medical Center, Durham, North Carolina, USA (N.T.M. Thu, T. Le)

Main Article

Table 3

Univariate and multivariable conditional logistic regression analysis of risk factors for talaromycosis in multicenter case–control study of behavioral, environmental, and geographic risk factors for talaromycosis, Vietnam*

Exposure covariate All patients, 
N = 610 Cases, 
n = 205 Controls,
n = 405
Univariate effect
Multivariate effect
OR (95% CI) p value OR (95% CI) p value
Antiretroviral therapy
250/610 (41.0)
72/205 (35.1)
178/405 (44.0)
0.68 (0.47–0.97)
0.04

0.75 (0.50–1.13)
0.17
Fluconazole prophylaxis
61/596 (10.2)
15/198 (7.6)
46/398 (11.6)
0.59 (0.31–1.11)
0.10

0.68 (0.35–1.34)
0.27
Cigarette smoking
413/610 (67.7)
130/205 (63.4)
283/405 (69.9)
0.65 (0.42–1.01)
0.06

0.71 (0.43–1.18)
0.19
Injection drug use
232/610 (38.0)
71/205 (34.6)
161/405 (39.8)
0.79 (0.54–1.15)
0.21

0.85 (0.54–1.35)
0.50
Outdoor occupation
263/610 (43.1)
100/205 (48.8)
163/405 (40.2)
1.47 (1.03–2.09)
0.04

1.23 (0.81–1.87)
0.34
Soil exposure
409/610 (67.0)
143/205 (69.8)
266/405 (65.7)
1.22 (0.85–1.75)
0.29

1.06 (0.69–1.63)
0.80
Natural water exposure
285/610 (46.7)
90/205 (43.9)
195/405 (48.1)
0.83 (0.58–1.19)
0.31

0.76 (0.51–1.13)
0.18
Tropical plant exposure
218/610 (35.7)
90/205 (43.9)
128/405 (31.6)
1.75 (1.22–2.56)
0.002

1.84 (1.17–2.90)
0.008
Highland plant exposure
49/610 (8.0)
25/205 (12.2)
24/405 (5.9)
2.25 (1.24–4.01)
0.008

1.71 (0.86–3.41)
0.13
Bamboo rat exposure or consumption
6/610 (1.0)
3/205 (1.5)
3/405 (0.7)
2.00 (0.40–9.91)
0.40

1.71 (0.33–8.87)
0.53
Farming animal exposure
93/610 (15.2)
40/205 (19.5)
53/405 (13.1)
1.60 (1.02–2.51)
0.04

2.03 (1.18–3.49)
0.010
Domestic animal exposure
170/610 (27.9)
57/205 (27.8)
113/405 (27.9)
1.01 (0.67–1.51)
0.97

1.39 (0.87–2.22)
0.17
Raw animal product consumption 411/610 (67.4) 132/205 (64.4) 279/405 (68.9) 0.82 (0.57–1.18) 0.28 0.91 (0.60–1.37) 0.64

*Values are no. (%) except as indicated. OR is based on conditional logistic regression. Multivariate analysis is a complete case analysis excluding 7 cases and 7 controls with missing fluconazole prophylaxis data. A p value <0.05 is considered statistically significant and highlighted in bold. For definitions of exposure covariates, refer to Table 1. OR, odds ratio.

Main Article

1These authors contributed equally to this article.

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